Theoretical Prediction of Size-Dependent Structures and Properties for the Asymmetric Clusters (HBrInN3)n (n = 1–6)

2018 ◽  
Vol 10 (11) ◽  
pp. 1615-1622
Author(s):  
Deng-Xue Ma ◽  
Guo-Kui Liu ◽  
Cui-Xia Yao ◽  
Qi-Ying Xia ◽  
Shi-Zhen Mi
Keyword(s):  
Theoretical Prediction ◽  
Size Dependent ◽  
Structures And Properties

DFT Study of Cluster Size-Dependent Structures and Properties of (HClGaN3)n (n = 1–6) Clusters

2021 ◽  
Vol 95 (S1) ◽  
pp. S120-S127
Author(s):  
Dengxue Ma ◽  
Yaoyao Wei ◽  
Guokui Liu ◽  
Qiying Xia
Keyword(s):  
Cluster Size ◽  
Dft Study ◽  
Size Dependent ◽  
Structures And Properties

Competition between tubular, planar and cage geometries: a complete picture of structural evolution of Bn (n = 31–50) clusters

2020 ◽  
Vol 22 (23) ◽  
pp. 12959-12966 ◽  
Author(s):  
Xue Wu ◽  
Linwei Sai ◽  
Si Zhou ◽  
Panwang Zhou ◽  
Maodu Chen ◽  
...  
Keyword(s):  
Theoretical Prediction ◽  
Experimental Finding ◽  
Structural Evolution ◽  
Research Interest ◽  
Complete Picture ◽  
Boron Clusters ◽  
Intensive Research ◽  
Size Dependent

Stimulated by the early theoretical prediction of B80 fullerene and the experimental finding of the B40 cage, the structures of medium-sized boron clusters have attracted intensive research interest during the last decade, but a complete picture of their size-dependent structural evolution remains a puzzle.

Theoretical prediction of low-density nanoporous frameworks of zinc sulfide based on ZnnSn (n = 12, 16) nanocaged clusters

RSC Advances ◽  
2014 ◽  
Vol 4 (70) ◽  
pp. 37333-37341 ◽  
Author(s):  
Yongliang Yong ◽  
Xiaohong Li ◽  
Xiping Hao ◽  
Jingxiao Cao ◽  
Tongwei Li
Keyword(s):  
Theoretical Prediction ◽  
Zinc Sulfide ◽  
Low Density ◽  
Framework Materials ◽  
Structures And Properties ◽  
Novel Structures

Low-density ZnS framework materials with novel structures and properties based on highly stable ZnnSn (n = 12, 16) clusters are designed and investigated.

Production and STEM examination of controlled-size silver clusters

1983 ◽  
Vol 41 ◽  
pp. 338-339
Author(s):  
M. A. Listvan ◽  
R. P. Andres
Keyword(s):  
Cluster Size ◽  
Metal Clusters ◽  
Experimental Parameter ◽  
Carbon Films ◽  
Metal Species ◽  
Silver Clusters ◽  
Free Jet ◽  
Size Dependent ◽  
Cluster Properties ◽  
Controllable Size

Knowledge of the function and structure of small metal clusters is one goal of research in catalysis. One important experimental parameter is cluster size. Ideally, one would like to produce metal clusters of regulated size in order to characterize size-dependent cluster properties.A source has been developed which is capable of producing microscopic metal clusters of controllable size (in the range 5-500 atoms) This source, the Multiple Expansion Cluster Source, with a Free Jet Deceleration Filter (MECS/FJDF) operates as follows. The bulk metal is heated in an oven to give controlled concentrations of monomer and dimer which were expanded sonically. These metal species were quenched and condensed in He and filtered to produce areosol particles of a controlled size as verified by mass spectrometer measurements. The clusters were caught on pre-mounted, clean carbon films. The grids were then transferred in air for microscopic examination. MECS/FJDF was used to produce two different sizes of silver clusters for this study: nominally Ag6 and Ag50.

Transfer Technique for Electron Microscopy of Membrance Filter Samples

1974 ◽  
Vol 32 ◽  
pp. 554-555
Author(s):  
Lawrence W. Ortiz ◽  
Bonnie L. Isom
Keyword(s):  
Electron Microscopy ◽  
Electron Microscope ◽  
Pore Size ◽  
Membrane Filters ◽  
Size Dependent

A procedure is described for the quantitative transfer of fibers and particulates collected on membrane filters to electron microscope (EM) grids. Various Millipore MF filters (Millipore AA, HA, GS, and VM; 0.8, 0.45, 0.22 and 0.05 μm mean pore size) have been used with success. Observed particle losses have not been size dependent and have not exceeded 10%. With fibers (glass or asbestos) as the collected media this observed loss is approximately 3%.

Spindle scaling mechanisms

2020 ◽  
Vol 64 (2) ◽  
pp. 383-396
Author(s):  
Lara K. Krüger ◽  
Phong T. Tran
Keyword(s):  
Cell Size ◽  
Spindle Assembly ◽  
Dependent Manner ◽  
Post Translational Modification ◽  
Size Dependent ◽  
A Cell ◽  
Chromosome Separation ◽  
Spindle Elongation ◽  
Protein Gradients ◽  
Spindle Structure

Abstract The mitotic spindle robustly scales with cell size in a plethora of different organisms. During development and throughout evolution, the spindle adjusts to cell size in metazoans and yeast in order to ensure faithful chromosome separation. Spindle adjustment to cell size occurs by the scaling of spindle length, spindle shape and the velocity of spindle assembly and elongation. Different mechanisms, depending on spindle structure and organism, account for these scaling relationships. The limited availability of critical spindle components, protein gradients, sequestration of spindle components, or post-translational modification and differential expression levels have been implicated in the regulation of spindle length and the spindle assembly/elongation velocity in a cell size-dependent manner. In this review, we will discuss the phenomenon and mechanisms of spindle length, spindle shape and spindle elongation velocity scaling with cell size.

SIZE DEPENDENT FMR LINE-SHIFT AND LINE-WIDTH STUDIES IN POLYCRYSTALLINE FERRITES AND GARNETS

1977 ◽  
Vol 38 (C1) ◽  
pp. C1-267-C1-269 ◽  
Author(s):  
C. M. SRIVASTAVA ◽  
M. J. PATNI ◽  
N. G. NANADIKAR
Keyword(s):  
Line Width ◽  
Line Shift ◽  
Size Dependent
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